/Engine/Source/Runtime/MovieScene/Public/IMovieScenePlayer.h
Will only call IMovieSceneExecutionToken::CacheExistingState if no state has been previously cached for the specified token type
void SavePreAnimatedState ( [UObject](API\Runtime\CoreUObject\UObject\UObject) & InObject, [FMovieSceneAnimTypeID](API\Runtime\MovieScene\Evaluation\FMovieSceneAnimTypeID) InTokenType, const [IMovieScenePreAnimatedTokenProducer](API\Runtime\MovieScene\IMovieScenePreAnimatedTokenProdu-) & InProducer )